SIEMENS IEC 5SY42108 D-Curve 2-Pole UL1077 Supplementary Protector
The SIEMENS IEC Supplementary Protector (SKU 3G-OTH-127419) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 10 A amps. It features a 400V AC voltage rating with a 10kA interrupting…
SKU 3G-OTH-127419
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 3G-OTH-127419) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 10 A amps. It features a 400V AC voltage rating with a 10kA interrupting capacity at 400V AC, and a 72V DC rating. The unit uses screw-clamp terminals and is part of the 5SY4 series (MPN 5SY42108).
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY42108 used for?
The SIEMENS IEC Supplementary Protector 5SY42108 is a D-curve, 2-pole UL1077 device used to protect branch circuits and equipment from overcurrent and short circuits in industrial control panels, HVAC systems, and automation applications. It is rated 10 A at 400V AC and 72V DC.
What are the specifications of the SIEMENS 5SY42108 supplementary protector?
The SIEMENS 5SY42108 is a D-curve, 2-pole supplementary protector rated 10 A, 400V AC with a 10kA interrupting capacity at 400V AC, and 72V DC. It features screw-clamp terminals, is part of the 5SY4 series, and mounts on a DIN rail per UL1077 standards.
Where to buy the SIEMENS 5SY42108 supplementary protector worldwide?
You can source the SIEMENS 5SY42108 supplementary protector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this 5SY4 series device.
How to install a SIEMENS 5SY4 supplementary protector on a DIN rail?
To install the SIEMENS 5SY42108, snap the device onto a standard 35 mm DIN rail until it locks. Connect phase and load wires to the screw-clamp terminals, tightening to the torque specified on the label. Ensure the D-curve matches the inrush current of your load for proper coordination.
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3G Electric supplies SIEMENS IEC d-curve, 2-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.